
import json

class Order:
    date: str
    order_id: str
    money: int
    province: str

    def __init__(self, date, order_id, money, province):
        self.date = date
        self.order_id = order_id
        self.money = money
        self.province = province

    def __str__(self):
        d = {"date": self.date, "order_id": self.order_id, "money": self.money, "province": self.province}
        return json.dumps(d, ensure_ascii=False)